Home / 210,228.08-290,115.62-114,736.80

Finding the Fourth Proportional to 210,228.08, 290,115.62 and 114,736.80

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Solution

The fourth proportional to 210,228.08, 290,115.62 and 114,736.80 is: 158,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,228.08 : 290,115.62 = 114,736.80 : x
  2. Step 2: Convert to fraction form
    210,228.08/290,115.62 = 114,736.80/x
  3. Step 3: Cross multiply
    210,228.08x = 290,115.62 × 114,736.80
  4. Step 4: Simplify right side
    210,228.08x = 33,286,937,868.82
  5. Step 5: Solve for x
    x = 33,286,937,868.82/210,228.08
  6. Step 6: Final answer
    x = 158,337.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.